Backup system
[电] 后备系统
🧩 词语组成解析
backup
['bækˌʌp]
n. 支持，后援;阻塞;<计>备份文件;[乐]伴奏;
adj. 备用的，后补的;支持性的;伴奏的;
🗣️ 情景例句
but they need me at the hospital today,
但今天医院有事，
The ass wags his ears.
自鸣得意。
He was caught, put in chains, and sent to America as a slave.
他被抓住了，带上镣铐，送到美国当奴隶。